Xntrix Fork Locknut Set. Silver. Another unique design from Xntrix The problem of fork locknuts coming loose is over Unique single aluminium nut with built in locking screw Adjust nut to required tension on fork locknut using supplied allen key UK designed & manufactured in our own precision engineering company Xntrix locknuts are produced using the latest CNC machinery from solid aluminium grade 6082 Anodized for the ultimate in style & performance The set comprises 1 locknut, 1 stainless steel washer, 1 allen key